The highest-converting leads in contracting are referrals. They close at 3–5x the rate of cold leads. They're more loyal. They pay better.
Most contractors never build a referral program because they think it has to be complicated. It doesn't.
The 3 Simplest Referral Program Ideas
Program 1: The Informal Ask
No incentive. Just a genuine message one week after every completed job.
Converts: 5–10% of customers send at least one referral within 90 days
No incentive. Just a genuine message one week after every completed job.
Converts: 5–10% of customers send at least one referral within 90 days
Program 2: Gift Card Reward
$25–$50 gift card for every referral that books a job.
Converts: 10–15% — the incentive makes customers actively mention you
$25–$50 gift card for every referral that books a job.
Converts: 10–15% — the incentive makes customers actively mention you
Program 3: Service Discount
10–15% off their next service for each referral that books.
Best for: HVAC and plumbing where repeat service is common
10–15% off their next service for each referral that books.
Best for: HVAC and plumbing where repeat service is common
The AI Prompts
The Informal Ask (1 week after job):
"Write a casual message to [NAME] one week after completing their [SERVICE]. Check in, then ask if they know anyone who might need [SERVICE]. Brief and low-pressure, 2–3 sentences."
With Incentive:
"Write a referral ask to [NAME] one week after their [SERVICE]. Mention we offer [INCENTIVE — $X gift card / service discount] for referrals who book. Keep it casual and genuine, not a sales pitch. Under 80 words."
The Thank-You (Always Send):
"Write a thank-you to [NAME] who referred [REFERRAL NAME] to us. They just [BOOKED / COMPLETED A JOB]. Thank [NAME] warmly and specifically. Mention their reward [if applicable]. Genuine, not a template."
Re-Engagement (90 Days, No Referral Yet):
"Write a re-engagement to past customer [NAME]. It's been 90 days since their job. Seasonal angle: [RELEVANT]. At the end, gently mention if they know anyone who needs [SERVICE], we'd appreciate the referral. Casual."
When to Ask
- 1 week after job completion — best timing, still fresh
- After they leave a 5-star review — already publicly advocating, primed to refer privately
- At 90-day re-engagement — second chance for customers who haven't referred yet
Tracking It Simply
No special software needed. A Google Sheet with 4 columns: Customer name, Ask sent date, Referral name, Outcome.
Review monthly. Re-engage anyone who hasn't referred in 90 days.
Get the Complete Referral System + 29 More Prompts — $47
The Contractor's AI Playbook has the full referral workflow plus the complete sales, review, and retention systems for any trade.
Get the Playbook — $47